Dark matter stability and one-loop neutrino mass generation based on Peccei-Quinn symmetry

Abstract

We propose a model which is a simple extension of the KSVZ invisible axion model with an inert doublet scalar. Peccei-Quinn symmetry forbids tree-level neutrino mass generation and its remnant $Z_2$ symmetry guarantees dark matter stability. The neutrino masses are generated by one-loop effects as a result of the breaking of Peccei-Quinn symmetry through a nonrenormalizable interaction. Although the low energy effective model coincides with an original scotogenic model which contains right-handed neutrinos with large masses, it is free from the strong $CP$ problem.

21 pages, 3 figures, a version published in journal

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Cited by in corpus (15)

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• Reloading the Axion in a 3-3-1 setup
• Dirac neutrinos from Peccei-Quinn symmetry: two examples
• Inflation connected to the origin of $CP$ violation
• Quasi-Stationary Solutions in Gravity Theories with Modified Dispersion Relations and Finsler-Lagrange-Hamilton Geometry
• An extension of the SM based on effective Peccei-Quinn Symmetry
• A connection between flavour anomaly, neutrino mass, and axion
• Pati-Salam unification with a spontaneous CP violation
• Singlet fermion dark matter and Dirac neutrinos from Peccei-Quinn symmetry
• The fundamental physical importance of generic off-diagonal solutions and Grigori Perelman entropy in the Einstein gravity theory
• Low scale leptogenesis in a model with promising $CP$ structure
• General off-diagonal integrability of metric and nonmetric geometric flow and Finsler-Lagrange-Hamilton modified Einstein equations